If there's one NBA superstar equipped to dish out advice to keep fighting, it's Allen Iverson.

From humble beginnings in Hampton, Virginia, to being railroaded by the legal system, having to maximize his 6-foot, 165-pound frame to a recently announced Hall of Fame selection, Iverson's entire life and career has been about fighting.

That's what makes him telling Craig Sager, "That's what we do — we fight," so special.

The beloved NBA sideline reporter announced late last month that his cancer has returned for a third time and he could have only three to six months left to live.

Watch the encouragement and love A.I. gave Sager earlier this week.

Heartfelt moment.

And one that followed Michael Jordan wishing Sager the best just this past Monday night during the NCAA National Championship game.

That was followed by fellow NBA sideline reporters around the league paying tribute to Sager on Tuesday night by wearing eccentric outfits — something that Craig has done throughout his legendary broadcasting career.

Iverson, Jordan, fellow sideline reporters and countless fans wishing Sager their support join the likes of Kobe Bryant, LeBron James and Dwyane Wade having done the same.

Keep fighting, Craig. Our prayers are with you.

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(Photos from left: Phil Ellsworth / ESPN Images, AP Photo/Marcio Jose Sanchez)